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18,621 results for “development;”
RNA-seq data and results from in-vitro experiments for "Genetic control of fetal placental genomics contributes to development of health and disease" (Bhattacharya et al 2021)
<p>This dataset includes data and results from RNA-seq data collected from in-vitro experiments presented in "Genetic control of fetal placental genomics contributes to development of health and disease" (Bhattacharya et al 2021). Please check the README.txt file for more details.</p>
High plasticity in marmoset monkey vocal development from infancy to adulthood
<p>The vocal behavior of human infants undergoes dramatic changes across their first year, while becoming increasingly speech-like. Surprisingly, vocal development in nonhuman primates has been assumed to be largely predetermined and completed within the first postnatal months. Contradicting this assumption, we found a dichotomy between the development of call features and vocal sequences in marmoset monkeys suggestive of a role for experience. While changes in call features were related to physical maturation, sequences of and transitions between calls remained flexible until adulthood. As in humans, marmoset vocal behavior developed in stages correlated with motor and social development stages. These findings are evidence for a prolonged phase of plasticity during marmoset vocal development, a crucial primate evolutionary preadaptation for the emergence of vocal learning and speech.</p>
CESM experiments for intraseasonal oscillation intensity changes in El Niño and La Niña developing summers
<p> Experiments are conducted using version 5.2 of Community Atmospheric Model (CAM-5.2; https://www.cesm.ucar.edu/models/cesm1.1/cam/). CAM is the atmosphere component of Community Earth System Model (CESM) developed by the National Center for Atmospheric Research (NCAR). The model resolution used in this study is f19_g16, with f19 finite volume grid (1.9º latitude by 2.5º longitude) for the atmosphere and land components combined with the gx1v6 displaced pole grid (approximately 1º) for the ocean and ice components.</p> <p> Four sets of numerical experiments are performed in this study:</p> <ol> <li>Full SST forcing simulation (full-SST run): The CAM is forced by global monthly OI SST and integrated from January 1982 to December 2020.</li> <li>Climatological SST forcing simulation (CLM-SST run): The CAM is integrated for 30 years forced by global climatological mean monthly SST obtained from OI SST data for the period of January 1982 to December 2020.</li> <li>Tropical central-eastern Pacific SST forcing simulation (CEP-SST run): The SST forcing field is composed of two parts: total monthly SST in the domain of 15°S-15°N and 160°E-80°W and climatological mean monthly SST in the other regions. The CAM is integrated from January 1982 to December 2020.</li> <li>Sensitivity experiments of tropical central-eastern Pacific SST anomalies during ENSO events: Composite SST anomalies in El Niño and La Niña events in the region of 15°S-15°N and 160°E-80°W and the above SST anomaly fields multiplied by -1 are added to climatological mean monthly SST from May to December. Climatological mean monthly SST is used in the other regions and months. The CAM is integrated for 30 years in these experiments. These experiments are referred to as EPEL, EPLA, EPEL-reverse and EPLA-reverse, respectively.</li> </ol>
Temporally-balanced selection during development of larval Pacific oysters (Crassostrea gigas) inherently preserves genetic diversity within offspring
<p>Balancing selection is one of the mechanisms which has been proposed to explain the maintenance of genetic diversity in species across generations. For species with large populations and complex life histories, however, heterogeneous selection pressures may create a scenario in which the net effects of selection are balanced across developmental stages. With replicated cultures and a pooled sequencing approach, we show that genotype-dependent mortality in larvae of the Pacific oyster (Crassostrea gigas) is largely temporally dynamic and inconsistently in favor of a single genotype or allelic variant at each locus. Overall, the patterns of genetic change we observe to be taking place are more complex than what would be expected under classical examples of additive or dominant genetic interactions. They are also not easily explained by our current understanding of the effects of genetic load. Collectively, temporally heterogeneous selection pressures across different larval developmental stages may act to maintain genetic diversity in oysters, while also inherently sheltering genetic load within populations.</p>
How Did the COVID-19 Crisis Affect Different Types of Workers in the Developing World?
<p>Video presentation of paper submission 15 for the Data for Policy 2021 Conference with the main results of "HOW DID THE COVID-19 CRISIS AFFECT DIFFERENT TYPES OF WORKERS IN THE DEVELOPING WORLD?" research paper emanating from the JobsWatch World Bank project to monitor labor market outcomes across 40 developing countries in real time identifying women, youth, less educated and urban workers as bearing the brunt of the burden of the pandemic job and wage losses.</p>
Figure 9 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 9. Eurytium limosum. Growth curve for early juvenile stages.
Figure 6 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 6. Eurytium limosum. Pereopods of first juvenile stage.
Figure 3 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 3. Eurytium limosum. First juvenile stage. (a) Mandible; (b) maxillule; (c) maxilla.
Figure 8 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 8. Eurytium limosum. Age at the different juvenile stages.
Figure 2 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 2. Eurytium limosum. First juvenile stage. (a) Antennula; (b) antenna.
Figure 10 in Juvenile development and growth patterns in the mud crab Eurytium limosum (Say, 1818) (Decapoda, Brachyura, Xanthidae) under laboratory conditions
Figure 10. Eurytium limosum. Percentage moult increment against juvenile stage.
Ediacara growing pains: Modular addition and development in Dickinsonia costata
Constraining patterns of growth using directly observable and quantifiable characteristics can reveal a wealth of information regarding the biology of the Ediacara Biota – the oldest macroscopic, complex community forming organisms in the fossil record. However, these rely on individuals captured at an instant in time at various growth stages, and so different interpretations can be derived from the same material. Here we leverage newly discovered and well-preserved <i>Dickinsonia costata</i> Sprigg 1947 from South Australia, combined with hundreds of previously described specimens, to test competing hypotheses for the location of module addition. We find considerable variation in the relationship between the total number of modules and body size that cannot be explained solely by expansion and contraction of individuals. Patterns derived assuming new modules differentiated at the anterior result in numerous examples where the oldest module(s) must decrease in size with overall growth, potentially falsifying this hypothesis. Observed polarity as well as the consistent posterior location of defects and indentations support module formation at this end in <i>D. costata</i>. Regardless, changes in repeated units with growth share similarities with those regulated by morphogen gradients in metazoans today, suggesting that these genetic pathways were operating in Ediacaran animals.
Fitness consequences of biochemical adaptation in Drosophila melanogaster populations under simultaneous selection for faster pre-adult development and extended life-span
<p>In holometabolous insect like <i>Drosophila melanogaster</i>, critical size is an important time point during larval life, for irreversible commitment to metamorphosis. Here, we studied the impact of restricted growth duration in terms of selection for faster pre-adult development in <i>Drosophila melanogaster</i> populations which resulted in the evolution of reduced critical size on adult life history traits. Selection for faster pre-adult development resulted in biochemical adaptation in larval physiology with no compromise in major biomolecules at critical size time point. The flies from the selected populations seem to not only commit to metamorphosis on the attainment of critical size but also seem to channelize resources to reproduction as indicated by similar life-time fecundity of CS and NS flies from selected populations, while the Control CS flies significantly lower life-time fecundity compared to Control NS flies. The flies from selected populations seem to achieve longevity comparable to control flies despite being significantly smaller in size- thus resource constrained due to faster pre-adult development.</p>
Figure 8. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory
Figure 8. Pilumnus spinifer H. Milne Edwards, 1834. Maxilla of the megalopa. Scale bar: 0.05 mm.
Figure 21 in Environmental control versus phylogenic fingerprint in ontogeny: The example of the development of the stalk in the genus Guillecrinus (stalked crinoids, Echinodermata)
Figure 21. Comparison of the filtration potential of the crown in several extant stalked crinoids.
Figure 11 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 11. Armases roberti, third maxilliped. (a) Megalopa; (b) first crab. Scale bar: 0.1 mm.
Figure 12. Armases roberti, pereiopods 1–5 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 12. Armases roberti, pereiopods 1–5. (a) Zoea III; (b) zoea IV. Scale bars: 0.1 mm.
Figure 6 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 6. Armases roberti, maxillule. (a) Megalopa; (b) first crab. Scale bar: 0.05 mm.
Figure 8 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 8. Armases roberti, maxilla. (a) Megalopa; (b) first crab. Scale bar: 0.05 mm.
Figure 1 in Influence of parasitoid Paravilla sp. (Diptera, Bombyliidae) on the development of larvae of Myrmeleon brasiliensis (Návas, 1914) (Neuroptera, Myrmeleontidae)
Figure 1. Number of days of pupal period until emergence of adults of Myrmeleon brasiliensis (Návas, 1914) larvae sampled in the third instar from a permanent protection area of the State University of Mato Grosso do Sul, Aquidauana, Brazil (December 2011 to July 2012).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.